Re: ranked subqueries vs distinct question

From: Decibel! <decibel(at)decibel(dot)org>
To: Karsten Hilbert <Karsten(dot)Hilbert(at)gmx(dot)net>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: ranked subqueries vs distinct question
Date: 2008-05-14 14:35:10
Message-ID: E572BB29-609B-4147-B6CC-5CB0697A46C5@decibel.org
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On May 14, 2008, at 9:07 AM, Karsten Hilbert wrote:

> That doesn't work, unfortunately, because the urb (cities)
> table doesn't have the zip code. That's stored in a street
> table which foreign keys into the urb table.

SELECT name, zip, zip='04317' AS zipmatch
FROM urb LEFT JOIN streets ON (streets.urb_id = urb.urb_id )
ORDER BY zipmatch DESC, name
;

Of course you'll need to adjust the table and field names appropriately.

Someone should probably teach the gnumed folks about schemas, too... ;)
--
Decibel!, aka Jim C. Nasby, Database Architect decibel(at)decibel(dot)org
Give your computer some brain candy! www.distributed.net Team #1828

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